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Outdated Kodak HC-110 Developer?

Got three square bottles of this for only the first verse of a short song (10 cents each). Question is, can it still be used for developing 4x5 sheet film? The newer bottles are round but this stuff's in the older 16-oz. square ones; sealed and unopened. No date on these bottles so its age is a big question.

Probably would work but development time would be longer or have to mix a stronger solution.

Re: Outdated Kodak HC-110 Developer?

I don't even remember there being an "use-by" date on the bottles. My square sided bottle has sucked in a little, so there has been some oxidation, but I would not adjust dilution or times if and when I use it.

Re: Outdated Kodak HC-110 Developer?

I've used stuff thats brown and it still worked---I had like "the last 1/2 ounce" in a bottle one time and it sat....for years....when I finally found it when moving I decided...what the heck...worked just fine---had plenty of strength--I was pushing, so I DID give it "more than recommended" dev time anyways, but it had plenty of get up and go...it looked like guinness in that bottle---mixed with water and it looked like normal developer at the mix conc